Bus priority wireless transmission system and control method thereof

Abstract

The invention discloses a bus priority wireless transmission system and a control method thereof. An entity for communication through wireless channels comprises bus-mounted modules, roadside forward modules and semaphore modules; the three classes of modules respectively comprise respective wireless units and external processing units connected through RS-232 serial ports; radio-frequency vehicle signals from the bus-mounted modules are received by the roadside forward modules, and are combined with address information of the roadside forward modules to form information such as vehicle ID, driving defensive lines, routes, predicted reaching time and the like; and the information is sent to the semaphore modules in a point-to-point or routing transfer mode so as to realize the optimization of a traffic light control system. The bus priority wireless transmission system shortens the time of buses for waiting for a red light, allows the buses to have the priority of starting during the period of a green light, provides great convenience for people taking the buses, and not only solves the problems to improve urban public transport service level and running efficiency, but also embodies right-of-way allocation equity.

Description

Technical field [0001] The present invention relates to the technical field of intelligent traffic control, in particular to a traffic signal control system and method for implementing priority transit of public transportation based on wireless signal transmission. Background technique [0002] With the expansion of the scale of urban construction, the number of vehicles of all types has skyrocketed unprecedentedly. For any city, the speed of road widening will never catch up with the growth rate of motor vehicles. It is unrealistic to solve congestion by widening roads. Therefore, public transportation is of great significance to guide the sustainable development of cities, and public transportation must be vigorously developed. [0003] The so-called urban public transportation system generally includes buses, light rails or subways. Although the light rail or subway has already demonstrated its important role in the public transportation system of major cities, due to the larg...

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Problems solved by technology

[0005] The purpose of the present invention is: to provide a bus priority wireless transmission system and its control method, to solve the problem that the bus still needs to go through a long traffic light waiting time in the crowded urban traffic, and the public transport efficiency is low, so as to achieve the priority of the bus to improve the service level of urban public transport

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